Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Relating to organisms that have sporadic and random intervals during the day or night in which food is acquired

Etymologies

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Examples

  • Next, they took the same measurements in 164 living birds and lizards that are night-active (nocturnal), day-active (diurnal), day- and night-active (cathemeral) or twilight-active (crepuscular).

    The Australian | News | 2011

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